Polydiacetylene water sensors
US10324072B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Feb 20, 2015 |
| Grant date | Jun 18, 2019 |
| Priority date | — |
| Expiry date | Nov 15, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y40/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Moisture sensing color change compositions are built of nanofibers of suitable small dimension based on diacetylene monomers that are polymerized in situ in a dried film containing a hygroscopic polymer that is bound to the nanofibers either directly or through crosslinkers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.